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The shell and tube heat exchanger is composed of the shell, the heat transfer tube bundle, the tube sheet, the baffle plate (baffle plate) and the tube box. The shell is mostly cylindrical, and a tube bundle is installed inside, and the two ends of the tube bundle are fixed on the tube plate.
There are two kinds of hot and cold fluids for heat exchange, one is flowing inside the tube, called the tube-side fluid; the other is flowing outside the tube, called the shell-side fluid.
In order to improve the heat transfer coefficient of the fluid outside the tube, several baffles are usually installed in the shell. The baffle can increase the velocity of the shell-side fluid, forcing the fluid to pass through the tube bundle laterally multiple times according to the prescribed distance, and enhancing the degree of fluid turbulence.
In nuclear power plants called pressurized water reactors, large heat exchangers called steam generators are two-phase, shell-and-tube heat exchangers which typically have U-tubes. They are used to boil water recycled from a surface condenser into steam to drive a turbine to produce power. Most shell-and-tube heat exchangers are either 1, 2, or 4 pass designs on the tube side. This refers to the number of times the fluid in the tubes passes through the fluid in the shell. In a single pass heat exchanger, the fluid goes in one end of each tube and out the other.Surface condensers in power plants are often 1-pass straight-tube heat exchangers (see Surface condenser for diagram). Two and four pass designs are common because the fluid can enter and exit on the same side. This makes construction much simpler.
• 1. Quality
ISO certificate & TMQ manage, serious quality check, our value message is " quality is our culture", with us your money in safe your business in safe.
• 2. Stronger team
stronger & professtioal technicist and R&D department.
• 3. Design
new design painting drying plate heat exchanger in color brilliancy. Reliable performance & wide varieties and complete in specifications
• 4. Price
Be capable of beat your competitor, because reliable quality, superior meateial, latest technology & finely processed,complete in specifications &quality and quantity assured, the most importantly is reliable reputation.
• 5. Shipping & packing
general 7 working days, we accept MQQ for your testing.
Plywood case & carton for protect goods.
• 6. Terms of payment
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• 7. Best service just for best of you:transfer heat and walks besides with you only for provide the best products and services to keep our customers satisfied we everlasting target.
1.Can I have your samples?
2. What is your leading time for the products I need?
Generally 7 working days. lt depends on the quantities you request.
3. Do you have your own factory?
Yes, welcome to visit our factory and check our products.
4.What is the warranty for your products?
We provide one year warranty for all the items we sold.
5.What payment terms do you accept?
Trade Assurance/TT/ Letter of Credit/ Western Union.
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